118521119321 has 32 divisors (see below), whose sum is σ = 138472588800. Its totient is φ = 100421959680.

The previous prime is 118521119291. The next prime is 118521119323. The reversal of 118521119321 is 123911125811.

It is a happy number.

It is not a de Polignac number, because 118521119321 - 2³⁰ = 117447377497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118521119323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040345 + ... + 1148633.

It is an arithmetic number, because the mean of its divisors is an integer number (4327268400).

Almost surely, 2^118521119321 is an apocalyptic number.

118521119321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118521119321 is a deficient number, since it is larger than the sum of its proper divisors (19951469479).

118521119321 is a wasteful number, since it uses less digits than its factorization.

118521119321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108449.

The product of its digits is 4320, while the sum is 35.

The spelling of 118521119321 in words is "one hundred eighteen billion, five hundred twenty-one million, one hundred nineteen thousand, three hundred twenty-one".